Boil eggs in sufficient boiling water for about 9 minutes. Cut baguette into 12 slices. Crush garlic with the ball of your hand. Heat oil in a pan in portions. Add the garlic to the pan and fry the baguette slices in the oil.
Take out and drain on kitchen paper. Mix salad cream and caper stock. Season with pepper. Wash the tomatoes, grate dry and cut in half. Rinse eggs with cold water, peel and slice.
Drain the tuna and let it drain. Wash the salad, shake dry and tear into pieces. Cover baguette slices with lettuce, egg slices, tuna, tomatoes and capers. Place 1 blob of yoghurt sauce on each slice.
Sprinkle with coarse pepper.